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UV–Vis spectra of the catalytic degradation of Congo Red (A) and 4-nitrophenol (B) in the presence of NaBH4 without AgNPs. Catalytic degradation of Congo Red in the presence of SPA-AgNPs (C) and SPR-AgNPs (E). Catalytic degradation of 4-nitrophenol in the presence of SPA-AgNPs (D) and SPR-AgNPs (F). The best fitted chemical kinetic linear model (zero-order) for Congo Red (G) and 4-nitrophenol (H) degradation using synthetized AgNPs and NaBH4.
